Motorola MPC823e Reference Manual page 497

COEFFICIENTS
C(0)
C(1)
C(2)
C(k-1)
2K bytes
Figure 16-15. FIR2 Coefficients and Sample Data Buffers
16.3.4.2.2 FIR2 Function Descriptor. The FIR2 function descriptor bit table is described
below.
0 1 2
S RES W
OFFSET + 0
OFFSET + 2
OFFSET + 4
OFFSET + 6
OFFSET + 8
OFFSET + A
OFFSET + C
OFFSET + E
The first half-word is composed of the following bits:
S—STOP
0 = Do not stop after executing this function descriptor.
1 = Stop after executing this function descriptor.
MOTOROLA
INPUT SAMPLES
*
*
imag {x(n-k+1)}
real {x(n-k+1)}
*
imag {x(n-2)}
real{x(n-2)}
imag{x(n-1)}
real{x(n-1)}
imag{x(n)}
real{x(n)}
M + 1 bytes
3 4 5 6 7
I RES IALL INDEX
CBASE
XYPTR
RESERVED
MPC823e REFERENCE MANUAL
Communication Processor Module
OUTPUT
*
*
*
imag{Y(n-k+1)}
real{Y(n-k+1)}
*
*
imag{Y(n-2)}
real{Y(n-2)}
imag{Y(n-1)}
real{Y(n-1)}
imag{Y(n)}
real{Y(n)}
N + 1 bytes
8 9 10 11
PC RES
I
K
M
N
12 13 14 15
OPCODE
16-43